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 <h1>从 PHP 8.1.x 移植到 PHP 8.2.x</h1>
<h2>目录</h2><ul class="chunklist chunklist_appendix"><li><a href="migration82.new-features.html">新功能</a></li><li><a href="migration82.new-functions.html">新函数</a></li><li><a href="migration82.constants.html">新全局常量</a></li><li><a href="migration82.incompatible.html">不向后兼容的变更</a></li><li><a href="migration82.deprecated.html">弃用的功能</a></li><li><a href="migration82.other-changes.html">其他变更</a></li><li><a href="migration82.windows-support.html">Windows 支持</a></li></ul>


 




 




 


 

 




 




 




 





 <div id="migration82.intro" class="sect1">
  <p class="para">
   新的次要版本带来了许多<a href="migration82.new-features.html" class="link">新功能</a>和<a href="migration82.incompatible.html" class="link">几个不兼容</a>，在生产环境上切换 PHP 版本前需要做测试。
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  <p class="para">
   参见 PHP 版本迁移指南
   <a href="migration71.html" class="link">7.1.x</a>、<a href="migration72.html" class="link">7.2.x</a>、<a href="migration73.html" class="link">7.3.x</a>、<a href="migration74.html" class="link">7.4.x</a>、<a href="migration80.html" class="link">8.0.x</a>、<a href="migration81.html" class="link">8.1.x</a>。
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